Home / 13,177.83-19,763.89-4,172.66

Finding the Fourth Proportional to 13,177.83, 19,763.89 and 4,172.66

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Solution

The fourth proportional to 13,177.83, 19,763.89 and 4,172.66 is: 6,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.83 : 19,763.89 = 4,172.66 : x
  2. Step 2: Convert to fraction form
    13,177.83/19,763.89 = 4,172.66/x
  3. Step 3: Cross multiply
    13,177.83x = 19,763.89 × 4,172.66
  4. Step 4: Simplify right side
    13,177.83x = 82,467,899.64
  5. Step 5: Solve for x
    x = 82,467,899.64/13,177.83
  6. Step 6: Final answer
    x = 6,258.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.